package com.itheima.mapper;

import com.itheima.pojo.Emp;
import com.itheima.pojo.EmpQueryParam;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Options;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDate;
import java.util.List;
import java.util.Map;

@Mapper
public interface EmpMapper {

    /**
     * 查询总记录数
     *Select
     */
   /* @Select("select count(*) from emp e left join dept d on e.dept_id = d.id")
    public Long count();*/

    /**
     * 分页查询
     */
    /*@Select("select e.*,d.name deptName from emp e left join dept d on e.dept_id = d.id order by e.update_time desc limit #{start},#{pageSize}")
    public List<Emp> list(Integer start, Integer pageSize);*/


    /**/

    //@Select("select e.*,d.name deptName from emp e left join dept d on e.dept_id = d.id order by e.update_time desc")
    /*public List<Emp> list(String name, Integer gender, LocalDate begin, LocalDate end);*/
    public List<Emp> list(EmpQueryParam empQueryParam);


    /**
     * 新增员工基本信息
     * @param emp
     */
    @Options(useGeneratedKeys = true, keyProperty = "id")
    @Insert("insert into emp(username,password,name,gender,phone,job,salary,image,entry_date,dept_id,create_time,update_time) values(#{username},#{password},#{name},#{gender},#{phone},#{job},#{salary},#{image},#{entryDate},#{deptId},#{createTime},#{updateTime})")
    void insert(Emp emp);



    void deleteByIds(List<Integer> ids);

    Emp getById(Integer id);


    void updateById(Emp emp);


    /**
     * 统计员工职位人数
     * @return
     */
    List<Map<String,Object>> countEmpJobData();


    /**
     * 统计员工性别人数
     * @return
     */
    List<Map<String, Object>> countEmpGenderData();

    List<Emp> finaAll();
}
